I
IAAI: International Airport Authority of India
IAAS: Indian Audit and Accounts Service
IADF: International Agricultural Development Fund
IAEA: International Atomic Energy Agency
IAF: Indian Air Force
IAMC: Indian Army Medical Corps
IAS: Indian Administrative Service
IATA: International Air Transport Association
IATT: Inland Air Travel Tax
IBRD: International Bank for Reconstruction and Development
IBEX: Interstellar Boundary Explorer Mission
ICANN: Internet Corporation for Assigned Names and Numbers
ICAO: International Civil Aviation Organisation
ICAR: Indian Council of Agricultural Research
ICCR: Indian Council of Cultural Relations
ICCW: Indian Council for Child Welfare
ICDS: Integrated Child Development Service
ICJ: International Court of Justice (with Headquarters at the Hague)
ICL: Indian Cricket League
ICMR: Indian Council of Medical Research
ICPA: Indian Cricket Players’ Association
ICRC: International Committee of the Red Cross
IDA: International Development Association
IDBI: Industrial Development Bank of India
IDSA: Institute of Defence Studies and Analysis
i.e.: id est; that is
IEA: International Energy Agency
IES: Indian Economic Service
IEX: Indian Energy Exchange
IFRS: International Financial Reporting Standard
IFS: Indian Foreign Service; Indian Forest Service
IFTU: International Federation of Trade Unions
IFWJ: Indian Federation of Working Journalists
IGNOU: Indira Gandhi National Open University
IIPA: Indian Institute of Public Administration
IISS: International Institute of Strategic Studies
IIT: Indian Institutes of Technology
ILO: International Labour Organisation
IMA: Indian Military Academy
IMET: International Military Education Training Programme
IMF: International Monetary Fund
IMO: International Maritime Organisation
IN: Indian Navy; Intelligent Network
INA: Indian National Army
INK: International Newspaper Kiosks
INMARSAT: International Maritime Satellite Organisation
INMAS: Institute of Nuclear Medicines and Allied Sciences
INS: Indian Naval Ship; Indian Newspaper Society
INSAS: Indian Small Arms System
INSAT: Indian National Satellite
INTERPOL: International Police Organisation
INTUC: Indian National Trade Union Congress
IOC: International Olympic Committee
IP: Indian Police
IPC: Indian Penal Code
IPCC: Intergovernmental Panel on Climate Change
IPEC: International Programme on Elimination of Child Labour
IPR: Intellectual Property Right
IPS: Indian Police Service; Indian Postal Service
IPTV: Internet Protocol Television
IPU: Inter-Parliamentary Union
IQ: Intelligence Quotient
IR: Infra-red
IRA: Insurance Regulatory Authority
IRBM: Intermediate Range Ballistic Missile
IREP: Integrated Rural Energy Planning
IRS: Indian Remote Sensing Satellite; Indian Revenue Service
ISAF: International Stabilization and Assistance Force (in Afghanistan)
ISC: Inter-State Council
ISCS: Integrated Smart Card System
ISD: International Subscriber Dialled (telephone)
ISH: Information Super Highway
ISKCON: International Society for Krishna Consciousness
ISO: International Standardisation Organisation
ISP: Internet Service Provider
ISRO: Indian Space Research Organisation
ISS: International Space Station
IST: Indian Standard Time
ISTRAC: ISRO Telemetry, Tracking and Command Network
ITDC: Indian Tourism Development Corporation
ITO: International Trade Organisation; Income-tax Officer
ITU: International Tele-communication Union
IUC: Interconnect User Charge